Improved incendiary compound



UNITED STATES PATENT OFFICE.

H. LIBBEY, OF CLEVELAND, OHIO.

IMPROVEDMINCENDIARY COMPOUND.

Specification forming part of Letters Patent No. 48.187, dated June 13,1865.

To all'whom itmay concern.-

Be it known thatLH. W. LIBBEY, of- Clevesite, in the'countyxof Guyahogaand State of Ohio, have invented new and useful Improvements inIncendiary Compounds; and. I do hereby declare that the followin g is" afull and complete description of the substances used and the manner ofcompounding the same.

I take of pure nitric acid two ounces, maseeratc it well withouefourthof an ounce of sulphate of baryta. 1 thenmacerate with one anda halt ounce of sulphuric ether. When they have become well assimilatedL add one ounce of purespirits of turpentine, and then oneand a halfounce of nitrateof potash finely powdered I let all this stand .forthree days, shaking it occasionally. The first two days there will anoily substance rise upon the sur- 'face, leaving a pure sediment at thebottom. This oily substance I cut (combine) with alcohol of ninety-fiveto ninety-eight per cent. If

" any remain I remove it with litmus paper. 1

then add one ounce of hydrocarbon oil, and

half an ounce of good tar that has been freed from water. i I augmentthe explosive and inflammable qualities of this compound by the additionof collodion. This should be added and tried, making it more or lessexplosive at will: In

its final preparation I saturate rags or any the manner substantially asherein specified and set forth.

Witnesses: H. W. LIBBEY.

W. H. BURRIDGE, J. HOLMES.

